class AgentNoInstructionError(Exception): def __init__(self, message='Instruction must be provided'): super().__init__(message) class AgentEventTypeError(Exception): def __init__(self, message='Event must be a dictionary'): super().__init__(message) class AgentAlreadyRegisteredError(Exception): def __init__(self, name=None): if name is not None: message = f"Agent class already registered under '{name}'" else: message = 'Agent class already registered' super().__init__(message) class AgentNotRegisteredError(Exception): def __init__(self, name=None): if name is not None: message = f"No agent class registered under '{name}'" else: message = 'No agent class registered' super().__init__(message) class TaskInvalidStateError(Exception): def __init__(self, state=None): if state is not None: message = f'Invalid state {state}' else: message = 'Invalid state' super().__init__(message) class BrowserInitException(Exception): def __init__(self, message='Failed to initialize browser environment'): super().__init__(message) class BrowserUnavailableException(Exception): def __init__( self, message='Browser environment is not available, please check if has been initialized', ): super().__init__(message) # This exception gets sent back to the LLM # It might be malformed JSON class LLMMalformedActionError(Exception): def __init__(self, message='Malformed response'): self.message = message super().__init__(message) def __str__(self): return self.message # This exception gets sent back to the LLM # For some reason, the agent did not return an action class LLMNoActionError(Exception): def __init__(self, message='Agent must return an action'): super().__init__(message) # This exception gets sent back to the LLM # The LLM output did not include an action, or the action was not the expected type class LLMResponseError(Exception): def __init__(self, message='Failed to retrieve action from LLM response'): super().__init__(message) class UserCancelledError(Exception): def __init__(self, message='User cancelled the request'): super().__init__(message) class MicroAgentValidationError(Exception): def __init__(self, message='Micro agent validation failed'): super().__init__(message) class OperationCancelled(Exception): """Exception raised when an operation is cancelled (e.g. by a keyboard interrupt).""" def __init__(self, message='Operation was cancelled'): super().__init__(message) class CloudFlareBlockageError(Exception): """Exception raised when a request is blocked by CloudFlare.""" pass class FunctionCallConversionError(Exception): """Exception raised when FunctionCallingConverter failed to convert a non-function call message to a function call message. This typically happens when there's a malformed message (e.g., missing tags). But not due to LLM output. """ def __init__(self, message): super().__init__(message) class FunctionCallValidationError(Exception): """Exception raised when FunctionCallingConverter failed to validate a function call message. This typically happens when the LLM outputs unrecognized function call / parameter names / values. """ def __init__(self, message): super().__init__(message) class FunctionCallNotExistsError(Exception): """Exception raised when an LLM call a tool that is not registered.""" def __init__(self, message): super().__init__(message)